Water Quality Detection Based on Arduino
<span>TDS</span> (Total Dissolved Solids) is an indicator of the total amount of various inorganic and organic substances dissolved in water, usually expressed in milligrams per liter (mg/L) or parts per million (ppm). These substances include minerals such as calcium, magnesium, sodium, and potassium, as well as trace amounts of organic matter and heavy metals. This … Read more